FR2120673A5 - - Google Patents
Info
- Publication number
- FR2120673A5 FR2120673A5 FR7136950A FR7136950A FR2120673A5 FR 2120673 A5 FR2120673 A5 FR 2120673A5 FR 7136950 A FR7136950 A FR 7136950A FR 7136950 A FR7136950 A FR 7136950A FR 2120673 A5 FR2120673 A5 FR 2120673A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/062—Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5402770 | 1970-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2120673A5 true FR2120673A5 (show.php) | 1972-08-18 |
Family
ID=11286413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7136950A Expired FR2120673A5 (show.php) | 1970-10-14 | 1971-10-14 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3782005A (show.php) |
| DE (1) | DE2151003A1 (show.php) |
| FR (1) | FR2120673A5 (show.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2029622B (en) * | 1978-09-06 | 1982-11-24 | Ross D | Educational aid |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548011A (en) * | 1949-03-15 | 1951-04-10 | Loyd T Frost | Sonic teacher |
| US2822425A (en) * | 1954-09-14 | 1958-02-04 | Walter R Hicks | Book with sound track speaking head guided by opposite page |
| US2936342A (en) * | 1955-10-31 | 1960-05-10 | Heinz E Kallmann | Sound reproducing head |
| US3343281A (en) * | 1965-04-08 | 1967-09-26 | Greer | Educational device |
| IL30512A0 (en) * | 1968-08-07 | 1968-10-24 | Bram M | Audio-visual teaching device |
-
1971
- 1971-10-04 US US00186185A patent/US3782005A/en not_active Expired - Lifetime
- 1971-10-13 DE DE19712151003 patent/DE2151003A1/de active Pending
- 1971-10-14 FR FR7136950A patent/FR2120673A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2151003A1 (de) | 1972-04-20 |
| US3782005A (en) | 1974-01-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |